Pontcysyllte Aqueduct
Llangollen, United Kingdom
The Pontcysyllte Aqueduct is a navigable aqueduct and a Grade I listed building. It is a World Heritage Site and a scheduled monument made of brick and cast iron.
Planning a visit
The aqueduct is part of the Llangollen Canal. Visitors can reach the site via Liverpool John Lennon Airport, which is 44 km away. The site is 259 km from London.
Weather conditions vary throughout the year. The warmest months are July and August, with daily highs of 18 °C to 19 °C. The coldest months are December, January, and February, when daily highs are around 6 °C. Rainfall is highest in October, November, and December, with about 116 mm to 118 mm of rain. The period with the fewest rainy days is April, with about 12 rainy days.
Weather by month
The warmest month is July, with an average high of 19 °C. Rain is spread fairly evenly through the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high, °C | 6 | 6 | 9 | 11 | 15 | 17 | 19 | 19 | 16 | 13 | 9 | 6 |
| Average low, °C | 1 | 1 | 3 | 4 | 7 | 9 | 12 | 11 | 10 | 7 | 4 | 2 |
| Rainfall, mm | 103 | 77 | 84 | 77 | 79 | 78 | 76 | 85 | 91 | 118 | 116 | 116 |
| Rainy days | 17 | 14 | 17 | 12 | 14 | 14 | 16 | 15 | 16 | 16 | 18 | 20 |
Temperatures and rainfall: 1981–2010 averages for this spot (4 km grid), from CHELSA. Rainy days: 2015–2024, NASA POWER.
